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Helix Compose i3 Ci3 K100.2FM-S3 MK2 Component 4 Inch FlexMount Speakers 80w RMS

Helix Compose i3 Ci3 K100.2FM-S3 MK2 Component 4 Inch FlexMount Speakers 80w RMS - Main image
$155.99 $259.99 In stock

Category: Speakers

The HELIX Ci3 K100.2FM-S3 MK2 is a 4-inch component FlexMount speaker set from the COMPOSE i3 series. It handles 80W RMS, ideal for compact factory locations.

Developed Inside the Vehicle

COMPOSE is HELIX’s answer to modern car design. Developed “inside the vehicle, for the vehicle”, it blends universal speakers with the advantages of vehicle-specific systems.

3 Ohm Efficiency

Smart 3-ohm technology raises efficiency and maximum sound pressure. Impedances are matched to HELIX and MATCH amplifiers, so the pairing always delivers full performance.

FlexMount Fitting

The i3 series uses HELIX’s FlexMount system, simplifying installation across a wide range of vehicles and factory speaker positions.

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Customer Reviews (5.0 / 5 · 5 reviews)

Thomas ★★★★★

I was skeptical about upgrading the stock 4-inch speakers, but the FlexMount design made installation in my car's tight doors effortless even for a first-timer. The 80W RMS handles my driving playlists with clear midrange.

Emma N. ★★★★★

These 4-inch components fit perfectly into my car's factory dash spots without any modification needed. The 80W RMS handling gives them enough headroom to play cleanly even with a small amp pushing them.

Eli F. ★★★★★

Took my time installing these in the factory dash spots, and the FlexMount design made it way less painful than usual—the 80W RMS rating handles my head unit’s signal without breaking a sweat. Midrange is surprisingly clear for a 4-inch set, and the bass response is decent enough that I don’t miss t